BAD MAGNETO

Anonymous-0

Well-known Member
I have a Fairbanks magneto that gives no spark. I suspect the coil is bad. How do I test it?? With an ohmmeter? If so, what should the resistance be?
Thanks in advance.
mrpete
 
I'd look at the condensor and points first. Run some fine sandpaper through the points. Probably corroded.
 
It has been just long enough I am a little fuzzy but I put a coil in an M mag and I am thinking it tested between 4500 and 5000 ohms.

That is a little low for a battery ignition coil (closer to 10K) but the mags I have checked always seem to check lower in this range.

If it checked lower than this or way higher I would be suspicious. Infinity is obviously bad.

RT (my 2 cents)
 

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